Table 2.
Differences in pain reduction according to parameters investigated.
| Parameter | Absolute pain reduction | P value |
|---|---|---|
| Histology | 0.007 | |
| NSCLC | 4 (-3 ~10) | |
| Other | 5 (-2 ~10) | |
| Age | 0.94 | |
| < 65 | 5 (-3 ~10) | |
| ≥ 65 | 5 (-3 ~10) | |
| Gender | 0.21 | |
| Male | 5 (-3 ~10) | |
| Female | 5 (-2 ~10) | |
| ECOG Performance Status | 0.55 | |
| 0 | 5 (-3 ~10) | |
| 1 | 6 (-3 ~10) | |
| 2 | 5 (-2 ~10) | |
| 3 | 4.5 (0 ~10) | |
| 4 | 9 (9~9) | |
| Postoperative | 0.74 | |
| Yes | 4.5 (2 ~10) | |
| No | 5 (-3 ~10) | |
| Extension beyond bone | 0.23 | |
| Yes | 5 (-1 ~10) | |
| No | 6 (-3 ~10) | |
| Site | 0.85 | |
| Spine | 5 (-3 ~10) | |
| Upper extremities | 5 (1 ~10) | |
| Lower extremities/pelvis | 5 (-3 ~10) | |
| Ribs/chest wall | 5 (0 ~10) | |
| Other | 2 (2 ~2) | |
| Total dose | 0.23 | |
| ≥2800 | 5 (-3 ~10) | |
| <2800 | 5 (-2 ~10) | |
| Dose/fx | 0.26 | |
| >200 cGy | 5 (-3 ~10) | |
| ≤200 cGy | 8 (1 ~10) | |
| Dose/fx | 0.17 | |
| >300 cGy | 5 (-3 ~10) | |
| ≤300 cGy | 5 (-2 ~10) | |
| Number of fractions | 0.06 | |
| 1 | 3 (-3~10) | |
| >1 | 5 (-2~10) | |
| % kV imaging | 0.07 | |
| <90 | 5 (-3 ~10) | |
| ≥90 | 6 (0 ~10) | |
| GTV contoured (entire cohort) | 0.54 | |
| Yes | 5 (-2 ~10) | |
| No | 5 (-3 ~10) | |
| GTV contoured (patients with extraosseous disease extension) | 0.55 | |
| Yes | 5 (-1~10) | |
| No | 5 (0 ~10) | |
| GTV volume (n = 131) | 0.96 | |
| ≥55 cm3 | 5 (-2 ~10) | |
| <55 cm3 | 5 (-1 ~10) |